238537231461 has 12 divisors (see below), whose sum is σ = 344656337740. Its totient is φ = 158977486080.

The previous prime is 238537231447. The next prime is 238537231561. The reversal of 238537231461 is 164132735832.

238537231461 is a `hidden beast` number, since 2 + 38 + 537 + 23 + 1 + 4 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 107268695361 + 131268536100 = 327519^2 + 362310^2 .

It is not a de Polignac number, because 238537231461 - 2³⁴ = 221357362277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238537231061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3912646 + ... + 3973143.

Almost surely, 2^238537231461 is an apocalyptic number.

It is an amenable number.

238537231461 is a deficient number, since it is larger than the sum of its proper divisors (106119106279).

238537231461 is a wasteful number, since it uses less digits than its factorization.

238537231461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7889156 (or 7889153 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 238537231461 in words is "two hundred thirty-eight billion, five hundred thirty-seven million, two hundred thirty-one thousand, four hundred sixty-one".